Astronomical Almanac for the Year 2021

Astronomical Almanac for the Year 2021
Author :
Publisher :
Total Pages : 628
Release :
ISBN-10 : 0707746159
ISBN-13 : 9780707746159
Rating : 4/5 (59 Downloads)

Book Synopsis Astronomical Almanac for the Year 2021 by : Government Publishing Office

Download or read book Astronomical Almanac for the Year 2021 written by Government Publishing Office and published by . This book was released on 2020-08-31 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prepared jointly with Her Majesty's Nautical Almanac Office, United Kingdom Hydrographic Office. Designed in consultation with other astronomers of many countries. Provides current, accurate astronomical data for use in the making and reduction of observations and for general purposes. The Astronomical Almanac Online extends the printed version by providing data best presented in machine-readable form. Online data are provided for several years. Contains data for astronomy, space sciences, geodesy, surveying, navigation, and other applications. Also used for navigation by air and water.The Astronomical Almanac is a joint publication of the U.S. Nautical Almanac Office, United States Naval Observatory (USNO), in the United States and Her Majesty's Nautical Almanac Office (HMNAO), United Kingdom Hydrographic Office (UKHO), in the United Kingdom. This annual publication contains precise ephemerides of the Sun, Moon, planets, and satellites, data for eclipses and other astronomical phenomena for a given year, and serves as a world-wide standard for such information.


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